<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>1996 - DengSir</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
  <!--<meta itemprop="image" content="./images/fenxiang.png" />-->
  <style>
    html {
      height: 100%;
    }

    body {
      font-family: "Helvetica Neue", "Luxi Sans", "DejaVu Sans", Tahoma, "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
      background: #eeeddd;
      color: #CFEBE4;
      font-size: 18px;
      line-height: 2;
      letter-spacing: 1.2px;
      margin: 0;
    }

    a {
      color: #ebf7f4;
    }

    .body--ready {
      background: -webkit-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
      background: -moz-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
      background: -o-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
      background: -ms-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
      background: linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
    }

    .text {
      position: fixed;
      bottom: 100px;
      text-align: center;
      width: 100%;
    }

    img#logo {
      width: 110px;
      height: 108px;
      background-size: cover;
      border-radius: 200px;
      box-shadow: 0px 0px 40px rgba(63, 81, 181, 0.72);
      border: 3px solid #00a0ff;
      opacity: 1;
      margin: 0 auto;
      margin-top: 10px;
      margin-bottom: 10px;
      transition: all 1.0s;
    }

    #logo:hover {
      box-shadow: 0 0 10px #fff;
      -webkit-box-shadow: 0 0 19px #fff;
      transform: rotate(360deg);
      -ms-transform: rotate(360deg); /* IE 9 */
      -moz-transform: rotate(360deg); /* Firefox */
      -webkit-transform: rotate(360deg); /* Safari 和 Chrome */
      -o-transform: rotate(360deg); /* Opera */
      filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3);
    }

    .cs {
      width: 100%;
      height: 100%;
      margin: 0 auto;
      position: absolute;
      text-align: center;
    }

    .text {
      position: fixed;
      bottom: 80px;
      text-align: center;
      width: 100%;
      font-weight: bold;
    }

    .text-right {
      position: fixed;
      bottom: 50px;
      text-align: right;
      width: 100%;
      font-weight: bold;
    }

    canvas {
       position: absolute;
       width: 100%;
       height: 90%;
     }
  </style>

</head>

<body>
<div class="cs">
  <img src="https://note.youdao.com/yws/api/personal/file/WEBfb7b9f1d867bdd6ee663a5462c6b0653?method=download&shareKey=c6021fcdbecb76444d16e913cd620270" id="logo">
</div>
<canvas class="canvas" width="1820" height="900"></canvas>
<p class="text" style="color: #ed3073;">
  和鸣鸣在一起
  <br/>
  <span id="span_dt_dt"></span>
</p>
<canvas id="pinkboard"></canvas>
<script>
  function show_date_time() {
    window.setTimeout("show_date_time()", 1000);
    BirthDay = new Date("04/18/2023 20:00:00");
    today = new Date();
    timeold = (today.getTime() - BirthDay.getTime());
    sectimeold = timeold / 1000
    secondsold = Math.floor(sectimeold);
    msPerDay = 24 * 60 * 60 * 1000
    e_daysold = timeold / msPerDay
    daysold = Math.floor(e_daysold);
    e_hrsold = (e_daysold - daysold) * 24;
    hrsold = Math.floor(e_hrsold);
    e_minsold = (e_hrsold - hrsold) * 60;
    minsold = Math.floor((e_hrsold - hrsold) * 60);
    seconds = Math.floor((e_minsold - minsold) * 60);
    span_dt_dt.innerHTML = daysold + " 天 " + hrsold + " 小时 " + minsold + " 分 " + seconds + " 秒 ";
  }
  show_date_time();
</script>
<script>
  /*
 * Settings
 */
  var settings = {
    particles: {
      length:   500, // maximum amount of particles
      duration:   2, // particle duration in sec
      velocity: 100, // particle velocity in pixels/sec
      effect: -0.75, // play with this for a nice effect
      size:      30, // particle size in pixels
    },
  };


  (function(){var b=0;var c=["ms","moz","webkit","o"];for(var a=0;a<c.length&&!window.requestAnimationFrame;++a){window.requestAnimationFrame=window[c[a]+"RequestAnimationFrame"];window.cancelAnimationFrame=window[c[a]+"CancelAnimationFrame"]||window[c[a]+"CancelRequestAnimationFrame"]}if(!window.requestAnimationFrame){window.requestAnimationFrame=function(h,e){var d=new Date().getTime();var f=Math.max(0,16-(d-b));var g=window.setTimeout(function(){h(d+f)},f);b=d+f;return g}}if(!window.cancelAnimationFrame){window.cancelAnimationFrame=function(d){clearTimeout(d)}}}());

  /*
   * Point class
   */
  var Point = (function() {
    function Point(x, y) {
      this.x = (typeof x !== 'undefined') ? x : 0;
      this.y = (typeof y !== 'undefined') ? y : 0;
    }
    Point.prototype.clone = function() {
      return new Point(this.x, this.y);
    };
    Point.prototype.length = function(length) {
      if (typeof length == 'undefined')
        return Math.sqrt(this.x * this.x + this.y * this.y);
      this.normalize();
      this.x *= length;
      this.y *= length;
      return this;
    };
    Point.prototype.normalize = function() {
      var length = this.length();
      this.x /= length;
      this.y /= length;
      return this;
    };
    return Point;
  })();

  /*
   * Particle class
   */
  var Particle = (function() {
    function Particle() {
      this.position = new Point();
      this.velocity = new Point();
      this.acceleration = new Point();
      this.age = 0;
    }
    Particle.prototype.initialize = function(x, y, dx, dy) {
      this.position.x = x;
      this.position.y = y;
      this.velocity.x = dx;
      this.velocity.y = dy;
      this.acceleration.x = dx * settings.particles.effect;
      this.acceleration.y = dy * settings.particles.effect;
      this.age = 0;
    };
    Particle.prototype.update = function(deltaTime) {
      this.position.x += this.velocity.x * deltaTime;
      this.position.y += this.velocity.y * deltaTime;
      this.velocity.x += this.acceleration.x * deltaTime;
      this.velocity.y += this.acceleration.y * deltaTime;
      this.age += deltaTime;
    };
    Particle.prototype.draw = function(context, image) {
      function ease(t) {
        return (--t) * t * t + 1;
      }
      var size = image.width * ease(this.age / settings.particles.duration);
      context.globalAlpha = 1 - this.age / settings.particles.duration;
      context.drawImage(image, this.position.x - size / 2, this.position.y - size / 2, size, size);
    };
    return Particle;
  })();

  /*
   * ParticlePool class
   */
  var ParticlePool = (function() {
    var particles,
            firstActive = 0,
            firstFree   = 0,
            duration    = settings.particles.duration;

    function ParticlePool(length) {
      // create and populate particle pool
      particles = new Array(length);
      for (var i = 0; i < particles.length; i++)
        particles[i] = new Particle();
    }
    ParticlePool.prototype.add = function(x, y, dx, dy) {
      particles[firstFree].initialize(x, y, dx, dy);

      firstFree++;
      if (firstFree   == particles.length) firstFree   = 0;
      if (firstActive == firstFree       ) firstActive++;
      if (firstActive == particles.length) firstActive = 0;
    };
    ParticlePool.prototype.update = function(deltaTime) {
      var i;

      if (firstActive < firstFree) {
        for (i = firstActive; i < firstFree; i++)
          particles[i].update(deltaTime);
      }
      if (firstFree < firstActive) {
        for (i = firstActive; i < particles.length; i++)
          particles[i].update(deltaTime);
        for (i = 0; i < firstFree; i++)
          particles[i].update(deltaTime);
      }

      while (particles[firstActive].age >= duration && firstActive != firstFree) {
        firstActive++;
        if (firstActive == particles.length) firstActive = 0;
      }


    };
    ParticlePool.prototype.draw = function(context, image) {
      if (firstActive < firstFree) {
        for (i = firstActive; i < firstFree; i++)
          particles[i].draw(context, image);
      }
      if (firstFree < firstActive) {
        for (i = firstActive; i < particles.length; i++)
          particles[i].draw(context, image);
        for (i = 0; i < firstFree; i++)
          particles[i].draw(context, image);
      }
    };
    return ParticlePool;
  })();


  (function(canvas) {
    var context = canvas.getContext('2d'),
            particles = new ParticlePool(settings.particles.length),
            particleRate = settings.particles.length / settings.particles.duration, // particles/sec
            time;

    function pointOnHeart(t) {
      return new Point(
              160 * Math.pow(Math.sin(t), 3),
              130 * Math.cos(t) - 50 * Math.cos(2 * t) - 20 * Math.cos(3 * t) - 10 * Math.cos(4 * t) + 25
      );
    }

    var image = (function() {
      var canvas  = document.createElement('canvas'),
              context = canvas.getContext('2d');
      canvas.width  = settings.particles.size;
      canvas.height = settings.particles.size;

      function to(t) {
        var point = pointOnHeart(t);
        point.x = settings.particles.size / 2 + point.x * settings.particles.size / 350;
        point.y = settings.particles.size / 2 - point.y * settings.particles.size / 350;
        return point;
      }

      context.beginPath();
      var t = -Math.PI;
      var point = to(t);
      context.moveTo(point.x, point.y);
      while (t < Math.PI) {
        t += 0.01;
        point = to(t);
        context.lineTo(point.x, point.y);
      }
      context.closePath();

      context.fillStyle = 'pink';
      context.fill();

      var image = new Image();
      image.src = canvas.toDataURL();
      return image;
    })();


    function render() {

      requestAnimationFrame(render);


      var newTime   = new Date().getTime() / 1000,
              deltaTime = newTime - (time || newTime);
      time = newTime;

      context.clearRect(0, 0, canvas.width, canvas.height);

      var amount = particleRate * deltaTime;
      for (var i = 0; i < amount; i++) {
        var pos = pointOnHeart(Math.PI - 2 * Math.PI * Math.random());
        var dir = pos.clone().length(settings.particles.velocity);
        particles.add(canvas.width / 2 + pos.x, canvas.height / 2 - pos.y, dir.x, -dir.y);
      }

      particles.update(deltaTime);
      particles.draw(context, image);
    }

    function onResize() {
      canvas.width  = canvas.clientWidth;
      canvas.height = canvas.clientHeight;
    }
    window.onresize = onResize;

    setTimeout(function() {
      onResize();
      render();
    }, 10);
  })(document.getElementById('pinkboard'));
</script>
</body>
</html>